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    • 8. 发明申请
    • SYSTEM AND METHOD FOR MODELING OF TURBO-CHARGED ENGINES AND INDIRECT MEASUREMENT OF TURBINE AND WASTE-GATE FLOW AND TURBINE EFFICIENCY
    • 涡轮增压发动机的建模系统和方法以及涡轮机和废气流量和涡轮机效率的间接测量
    • US20090094009A1
    • 2009-04-09
    • US11867422
    • 2007-10-04
    • Martin Muller
    • Martin Muller
    • G06G7/48
    • G06F17/5009F02D41/0007F02D41/1445F02D41/1447F02D41/145F02D2041/1433G06F17/5095G06F2217/16G06F2217/80Y02T10/144Y02T10/82
    • A real-time system for modeling a turbo-charged engine includes a model configured to estimate various exhaust states such as turbine inlet pressure, turbine outlet pressure, turbine outlet temperature, turbine mass flow rate and waste-gate valve mass flow rate. The model is dependent only on the availability of normal operating values available in a conventionally-configured automotive controller and one or more measured intake side parameters such as ambient pressure, boost pressure, ambient temperature and compressor mass flow rate. The model is constructed to reflect a high-level application of energy conservation between the turbine (generated power) and compressor (absorbed power). A method for the indirect measurement of turbine and waste-gate flow uses turbine inlet and outlet pressure, inlet temperature and engine mass air flow rate measurements. A method for the indirect measurement of turbine efficiency avoids the need for manufacturer's turbine data.
    • 用于对涡轮增压发动机进行建模的实时系统包括被配置为估计各种排气状态的模型,例如涡轮进口压力,涡轮出口压力,涡轮出口温度,涡轮质量流量和废气门阀质量流量。 该模型仅取决于常规配置的汽车控制器中可用的正常工作值的可用性以及一个或多个测量的进气侧参数,例如环境压力,增压压力,环境温度和压缩机质量流量。 该模型被构造为反映在涡轮(发电)和压缩机(吸收功率)之间的节能的高水平应用。 用于间接测量涡轮机和废气门流量的方法使用涡轮机入口和出口压力,入口温度和发动机质量空气流量测量。 用于间接测量涡轮机效率的方法避免了制造商的涡轮数据的需要。